Stoneflies
Gammarids
The fishing is technical and the fish are properly wild, and the landscape makes a reasonable case for itself even when nothing is rising.
- Mixed
Rules at a glance
- Public water
- Licence required
Water temperature for Brown Trout
Cool — slow9°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 3 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalHigh confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Autumn DunHatch
2
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
- Catalan fishing licence plus ZPC permit required
- Dates and method rules vary by controlled zone, mountain classification, and whether the water is with-kill or no-kill.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Terrain map
About this water
The full read · show the working · for Brown Trout · confidence 55%
How the 0 is built — score × weight = contribution
Temperature89 × 28%24.9
Flow80 × 22%17.6
Clarity15 × 18%2.7
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity22 × 12%2.6
Limiting factor: Water is very coloured — too coloured for Brown Trout= 64
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Río Segreproxy
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
A drop and clear would lift the flow and clarity scores.
Directions
Seasons & zones
- Trout depends on Catalan zone class → depends on Catalan zone class
Related guides
Booking & contacts
Catalan Pyrenees controlled zones
The Catalan Pyrenees zone is a network of managed trout waters extending across the high country above Lleida and Girona — cold streams running out of the passes, all of them holding wild brown trout, all of them requiring the zone permit alongside the standard licence.
Water temperature for Brown Trout
Cool — slow9°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Likely species
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 3 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalHigh confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Autumn DunHatch
2
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
- Catalan fishing licence plus ZPC permit required
- Dates and method rules vary by controlled zone, mountain classification, and whether the water is with-kill or no-kill.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Terrain map
About this water
The fishing is technical and the fish are properly wild, and the landscape makes a reasonable case for itself even when nothing is rising.
- Mixed
The full read · show the working · for Brown Trout · confidence 55%
How the 0 is built — score × weight = contribution
Temperature89 × 28%24.9
Flow80 × 22%17.6
Clarity15 × 18%2.7
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity22 × 12%2.6
Limiting factor: Water is very coloured — too coloured for Brown Trout= 64
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Río Segreproxy
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
A drop and clear would lift the flow and clarity scores.
Directions
Seasons & zones
- Trout depends on Catalan zone class → depends on Catalan zone class
Related guides
Booking & contacts
At a glance
Catalan Pyrenees controlled zones is a spate river in Catalonia — Pyrenees, Spain. It sits at about 742 m above sea level. The species listed for this water is brown trout. Best window recorded for anglers: Depends on whether the exact controlled zone is low mountain or high mountain, and whether it is with-kill or no-kill. Core methods listed: dry fly; small nymph; czech nymphing. Nearby waters in our listings include Río Segre at 3.0 km, Río Segre at 3.0 km and Cardener at 24 km.